Senior Incident Response Operations Engineer

Marketing Statement
Tokio Marine Global Services (TMGS) is the US-based operation of Tokio Marine Holdings, one of the largest global insurance groups in the world, headquartered in Tokyo, Japan. TMGS accelerates synergy and collaboration across the Tokio Marine Group by delivering core infrastructure services in the areas of actuarial services, internal audit, investor relations, and information technology. TMGS supports Tokio Marine’s operations across 46 countries and regions and more than 50,000 employees worldwide, serving as a hub for global innovation through a strong people strategy and sustainable international growth.
Job Summary:
As the Senior Incident Response/Operations Engineer under the Global Fusion Center US Operations, you will handle day-to-day maintenance of security infrastructure in addition to proactive threat hunting and incident response. Your role will be key in the development, installation, configuration, and continuous improvement of the global security operations service and be critical in the response to external and internal threats. This position will require a blend of technical expertise, analytical skills, and effective communication abilities to ensure swift and efficient handling of security events. You will also be expected to identify opportunities to automate and improve effectiveness of operations.
Essential Job Functions:
Conduct security investigations and lead security incident response in a cross-functional environment and drive incident resolution
Monitor security systems and infrastructure to support best performance and reliability
Implement and manage security tools and processes, to detect and mitigate threats
Maintain robust security feeds and ensure data integrity
Proactively look for threats working with level one analysts, affected teams and security vendors.
Author threat detection rules and subsequent SOAR playbooks
Refine operational metrics, key performance indicators, and service level objectives to measure Security Operations and Incident Response services
Identify and implement security process automation, continuously improving processes and tools.
Be a technical subject matter expert for Security Operations and incident Response services.
Provide expertise to partnered security teams in mitigation of those threats
Communicate complex technical information clearly and concisely to both technical and non-technical audiences
Collaborate with partner security teams to offer guidance and bolster support of the organization’s security infrastructure
Build, cultivate, and maintain positive relationships with internal customers to identify and facilitate solutions to increase the impact of the team's work
Influence and align the team’s vision and strategy
Other Functions:
Follow proper internal controls as necessary to conduct job functions and/or carry out responsibilities and/or administrative activities at the Company
Perform special projects and other duties as may be assigned
Establish and build strong working relations and partnerships with other teams, Group Companies, and senior management
Qualifications:
8 or more years of experience in an operational cybersecurity role
3 or more years of hands-on incident response experience
Experience developing and delivering on incident and program status for leadership
Experience in threat hunting including leveraging intelligence data to proactively find and iteratively investigate suspicious behavior across networks and systems
Experience analyzing network and host-based security events
Proficient System Administration with either Microsoft Windows or Linux
Proficient with CLI shells such as PowerShell or bash
Proficient with Security Log infrastructure configuration such as Windows Event Forwarding (WEF) or syslog
Proficient in an interpreted language such as Python, Perl, or Ruby
Familiarity with regular expressions
Familiarity with Large Language Models tools such as Ollama
Knowledge of operating systems, file systems, and memory structures on Windows, MacOS and Linux
Knowledge of networking technologies, specifically TCP/IP and the related protocols
Understanding of networks, operating systems, and architecture and how they affect the security posture of a company
Strong problem-solving aptitude
Demonstrated ownership of projects or tasks
Strong verbal and written communication skills
Demonstrated professionalism and a calm demeanor while dealing with complex or high-urgency situations
EEO Statement:
Tokio Marine Group of Companies (including, but not limited to the Philadelphia Insurance Companies, Tokio Marine America, Inc., TMNA Services, LLC, TM Claims Service, Inc. and First Insurance Company of Hawaii, Ltd.) is an Equal Opportunity Employer. In order to remain competitive we must attract, develop, motivate, and retain the most qualified employees regardless of age, color, race, religion, gender, disability, national or ethnic origin, family circumstances, life experiences, marital status, military status, sexual orientation and/or any other status protected by law.

Work arrangement
Yes